Home / 9,435.30-13,021.44-5,658.61

Finding the Fourth Proportional to 9,435.30, 13,021.44 and 5,658.61

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Solution

The fourth proportional to 9,435.30, 13,021.44 and 5,658.61 is: 7,809.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,435.30 : 13,021.44 = 5,658.61 : x
  2. Step 2: Convert to fraction form
    9,435.30/13,021.44 = 5,658.61/x
  3. Step 3: Cross multiply
    9,435.30x = 13,021.44 × 5,658.61
  4. Step 4: Simplify right side
    9,435.30x = 73,683,218.04
  5. Step 5: Solve for x
    x = 73,683,218.04/9,435.30
  6. Step 6: Final answer
    x = 7,809.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.